Panthera probably evolved in Asia, but the roots of the genus remain unclear. Genetic studies indicate that pantherine cats diverged from the subfamily Felinae between six and ten million years ago. Fossil records that appear to belong within the Panthera genus reach only 2.0 to 3.8 million years back.
Symbols. 1  The Screech Owl is the sacred bird of Hades. 2  Cypress Tree are the trees sacred to Hades, Aphrodite, and Artemis. 3  Cerberus, was his three headed pet dog is a symbol of his. 4  Snakes were sacred to him due to his previous role as a snake god called Zeus Meilichios.
In the Sibylline oracles, a curious hodgepodge of Greco-Roman and Judaeo-Christian elements, Hades again appears as the abode of the dead, and by way of folk etymology, it even derives Hades from the name Adam (the first man), saying it is because he was the first to enter there.